CN109353201B - Integrated electric drive system assembly and electric automobile - Google Patents
Integrated electric drive system assembly and electric automobile Download PDFInfo
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- CN109353201B CN109353201B CN201811297068.5A CN201811297068A CN109353201B CN 109353201 B CN109353201 B CN 109353201B CN 201811297068 A CN201811297068 A CN 201811297068A CN 109353201 B CN109353201 B CN 109353201B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to an integrated electric drive system assembly, which at least comprises a drive motor, a transmission, a motor controller, an air compressor and a water pump which are integrated into a whole, wherein an electric control shell is connected to a stator shell of the drive motor; the three-phase high-voltage power supply output end of the motor controller is connected with a three-phase terminal through a three-phase copper bar, and the control end of the motor controller is connected with the rotary transformer signal connector and the temperature signal connector in an inserting mode through signal lines. The integrated electric drive system assembly is compact in structure, saves installation space, improves installation efficiency, simultaneously saves complex wiring harness connection, and improves overall reliability. The invention also relates to an electric automobile.
Description
Technical Field
The invention relates to the technical field of electric automobile production design, in particular to an integrated electric drive system assembly and an electric automobile.
Background
With the increasing exhaustion of fossil energy and the increasing increase of environmental pollution, electric vehicles are increasingly favored by users.
The electric drive system is a core component of the electric automobile, is a whole formed by combining a plurality of components and capable of working uniformly, and comprises a drive motor, a motor controller, a transmission, an air compressor, a water pump, a high-voltage junction box, a vehicle controller, a vehicle-mounted charger, a direct-current converter and the like.
Each part of the current electric drive system is of a split structure, and each part is independently arranged on a corresponding mounting position. However, the method has the problems that the electric drive system occupies a large space and the parts need to be connected through a complex wire harness, and the volume of the drive motor is limited due to the limited arrangement space of the whole vehicle, so that the output power of the motor is smaller and the power requirement of the whole vehicle cannot be well met; meanwhile, the complex wire harness connection among the parts also enables the whole electric drive system to be disorderly, and the reliability cannot be well guaranteed.
Disclosure of Invention
The invention provides an integrated electric drive system assembly, which is used for improving the integration level of an electric drive system and reducing the space occupation of the electric drive system so as to provide space for the increase of a drive motor; in addition, complicated wire harness connection can be omitted among all parts with high integration, and the compactness and the reliability of the electric drive system assembly are improved.
The second aspect of the invention also provides an electric automobile with the integrated electric drive system assembly.
To achieve the above objects, the present invention provides an integrated electric drive system assembly, at least comprising a drive motor, a transmission, a motor controller, an air compressor and a water pump integrated into a whole, wherein,
the motor controller is fixed in the electric control shell, a junction box is formed between a rear end cover of the driving motor and a stator of the driving motor and is communicated with the electric control shell, and a rotary variable signal connector, a temperature signal connector and a three-phase terminal led out by a motor stator of the driving motor are arranged in the junction box; the three-phase high voltage power supply output end of the motor controller is connected with the three-phase terminal through a three-phase copper bar, and the control end of the motor controller is connected with the rotary transformer signal connector and the temperature signal connector through signal lines.
Preferably, the electric control housing is mounted on a top portion of the stator housing in a radial direction.
Preferably, the three-phase copper bar connector further comprises an insulating wire holder arranged in the wiring box, and the three-phase copper bar is connected with the three-phase terminal and then fixed on the insulating wire holder.
Preferably, the temperature signal connector assembly is arranged on the insulating fixing plate, and the rotary transformer signal connector assembly and the temperature signal connector assembly are arranged in the junction box.
Preferably, the transmission is installed at the shaft extension end of the driving motor, a front end cover of the driving motor and a buckling cover matched with the front end cover are buckled to form a shell of the transmission, and the front end cover is connected with the buckling cover through a connecting piece.
Preferably, the snap cover, the front end cover, the stator housing and the rear end cover form a main body casing, and the air compressor and the water pump are mounted on the outer surface of the main body casing.
Preferably, the air compressor is hung on the buckling cover through a first bracket; the water pump is arranged close to the electric control shell and is arranged on the front end cover or the stator shell through a second support.
Preferably, a vehicle-mounted charger is further installed in the electric control shell.
Preferably, a transverse partition plate is arranged in an inner cavity of the electric control shell, the transverse partition plate divides the inner cavity of the electric control shell into an upper cavity and a lower cavity which are close to the stator shell, and an upper cavity which is far away from the stator shell, wherein the vehicle-mounted charger is arranged in the lower cavity, and the motor controller is arranged in the upper cavity.
Preferably, a direct current converter is further installed in the electric control shell, and the direct current converter is arranged in the lower-layer cavity.
Preferably, the vehicle-mounted charger and the direct current converter are integrated into a power module, and the vehicle-mounted charger and the direct current converter share a power board.
Preferably, a high-voltage junction box is further integrated in the electric control shell and arranged in the upper cavity.
Preferably, a vehicle control unit is further integrated in the electric control shell and arranged in the upper cavity.
Preferably, the motor controller comprises a driving board and a control board, a shielding board is arranged between the driving board and the control board, and the vehicle control unit is fixed on the shielding board.
Preferably, besides the connecting position, the three-phase copper bar is further coated with a PVC film.
Preferably, the cooling system of the integrated electric drive assembly comprises an electric control shell cooling part and a motor cooling part; wherein the content of the first and second substances,
the electric control shell cooling part comprises a shell water inlet, a shell water outlet and a shell water channel, and the shell water channel at least passes through the motor controller, the vehicle-mounted charger and the direct current converter;
the motor cooling part comprises a motor water inlet, a motor water outlet and a stator shell water channel, and the shell water outlet is connected with the motor water inlet through a pipeline.
Preferably, a motor controller cooling water channel in contact with a heating component in the motor controller is further formed in the shell of the motor controller, a charger cooling water channel in contact with a heating component in the vehicle-mounted charger is formed in the shell of the vehicle-mounted charger, a converter cooling water channel in contact with a heating component in the direct current converter is formed in the shell of the direct current converter, and the motor controller cooling water channel, the charger cooling water channel and the converter cooling water channel are all communicated with the shell water channel.
The electric automobile disclosed by the invention comprises an integrated electric drive system assembly, and the integrated electric drive system assembly is the integrated electric drive system assembly disclosed in any one of the above items.
According to the technical scheme, the driving motor, the transmission, the motor controller, the air compressor and the water pump are integrated into a whole in the integrated electric driving system assembly disclosed by the invention, so that the whole electric driving system assembly is better in compactness, compared with the mode of independently mounting each part, the installation space can be effectively saved, the installation efficiency can be obviously improved, and meanwhile, the saved installation space provides possibility for replacing a high-power driving motor; in addition, a junction box is formed between the rear end cover of the driving motor and the stator of the driving motor, so that the junction box which is arranged independently at present is omitted, the compactness of the whole electric driving system assembly is further improved, the distance between each part is very short due to high integration, and the junction box is communicated with the electric control shell, so that the motor controller can be directly connected with the motor through a copper bar and a signal line, complicated wire harness connection is omitted, and the reliability of the electric driving system assembly is improved.
The electric automobile disclosed by the invention has the corresponding technical advantages of the integrated electric drive system assembly due to the adoption of the integrated electric drive system assembly, and the detailed description is omitted herein.
Drawings
FIG. 1 is a schematic block diagram of an integrated electric drive system assembly according to an embodiment of the present disclosure;
FIG. 2 is an exploded view of an integrated electric drive system assembly (water pump not shown) according to an embodiment of the present invention;
FIG. 3 is a schematic sectional view of the driving motor and the transmission according to the embodiment of the present invention;
fig. 4 is an exploded view of the electrically controlled housing disclosed in the embodiment of the present invention;
FIG. 5 is a schematic side view of an integrated electric drive system assembly according to an embodiment of the present disclosure.
Wherein, 1 is a driving motor, 2 is a speed changer, 3 is a motor controller, 4 is an air compressor, 5 is a water pump, 6 is a stator shell, 7 is an electric control shell, 8 is a rear end cover, 9 is a front end cover, 10 is a buckling cover, 11 is a transverse clapboard, 12 is a lower cavity, 13 is an upper cavity, 14 is a power module, 15 is a high-voltage distribution box, 16 is a whole vehicle controller, 17 is a rear end cover plate, 18 is a bearing, 19 is an oil seal, 20 is a motor stator, 21 is a motor rotor, 22 is a three-phase terminal, 23 is an insulating connector, 24 is a junction box, 25 is an insulating fixing plate, 26 is a temperature signal, 27 is a rotary variable signal connector, 28 is a motor shaft, 29 is a transmission main shaft, 30 is a shell water outlet, 31 is a pipeline, 32 is a hoop body, 33 is a motor water inlet, 34 is a motor water outlet, 71 is an electric control main shell, 72 is an upper end cover of, 73 is the electric control shell lower end cover, 141 is the power module water inlet, 142 is the power module delivery port.
Detailed Description
One of the cores of the invention is to provide an integrated electric drive system assembly so as to improve the integration level of the electric drive system and reduce the space occupation of the electric drive system, thereby providing space for the increase of a drive motor; in addition, complicated wire harness connection can be omitted among all parts with high integration, and the compactness and the reliability of the electric drive system assembly are improved.
The invention also provides an electric automobile with the integrated electric drive system assembly.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The integrated electric drive system assembly disclosed by the invention at least comprises a drive motor 1, a transmission 2, a motor controller 3, an air conditioner compressor 4 and a water pump 5, wherein the components are integrated into an integral structure, please refer to fig. 1 and 3, an electric control shell 7 is connected to a stator shell of the drive motor 1, the motor controller 3 is fixed in the electric control shell 7, a junction box 24 is formed between a rear end cover 8 of the drive motor 1 and a stator of the drive motor 1, in order to facilitate the connection between the motor controller 3 and the drive motor 1, the junction box 24 is communicated with the electric control shell 7, a rotary variable signal plug connector 27, a temperature signal plug connector 26 and a three-phase terminal 22 are arranged in the junction box 24, wherein the rotary variable signal plug connector 27 is used for acquiring the rotation position of the motor, and the temperature signal plug connector 26 is used; the three-phase high voltage power supply output end of the motor controller 3 is connected with the three-phase terminal 22 through a three-phase copper bar, the control end of the motor controller 3 is connected with the rotary transformer signal connector 27 and the temperature signal connector 26 through signal lines in an inserting mode so as to control the driving motor 1, and after the assembly is completed, the three-phase copper bar and the signal lines are sealed in the electric control shell 7 and the junction box 24 without exposed wire harnesses.
It should be noted that the present invention is embodied in the following examples. The term "integrated" is used to refer to the joining of the various components together as a unit, either removably or integrally.
In order to guarantee reliable connection between three-phase copper bar and the three-phase terminal 22, bolt holes are formed in the three-phase copper bar and the three-phase terminal 22 and are connected through bolt locking.
The driving motor 1, the transmission 2, the motor controller 3, the air compressor 4 and the water pump 5 are integrated into a whole, so that the whole electric driving system assembly is better in compactness, compared with the mode that all parts are independently installed, the installation space can be effectively saved, the installation efficiency can be obviously improved, and meanwhile, the saved installation space provides possibility for replacing the high-power driving motor 1; in addition, a junction box 24 is formed between the rear end cover 8 of the driving motor 1 and the stator of the driving motor 1, so that a junction box which is arranged independently at present is omitted, the compactness of the whole electric driving system assembly is further improved, the distances among all parts are very close due to high integration, and the junction box 24 is communicated with the electric control shell 7, so that the motor controller 3 can be directly connected with the motor through a copper bar and a signal wire, complicated wire harness connection is omitted, and the reliability of the electric driving system assembly is improved.
As shown in fig. 1, the electronic control housing 7 disclosed in the present embodiment is mounted at the top position of the stator housing 6 in the radial direction by bolts, as shown in fig. 3, an insulating wire holder 23 is fixed in a terminal box 24 by bolts, and after being connected with a three-phase terminal 22, a three-phase copper bar is fixed on the insulating wire holder 23 to form an electrical connection and be insulated from the ground; besides, an insulation fixing plate 25 is fixed in the junction box 24 through bolts, a rotary transformer signal plug connector 27 and a temperature signal plug connector 26 are fixed on the insulation fixing plate 25, the rotary transformer signal plug connector 27 and the temperature signal plug connector 26 are connected with a control end of the driving motor 1 and then fixed on the insulation fixing plate 25 to form electrical connection and be insulated to the ground, the rear end cover 8 is connected with a motor stator of the driving motor 1 through bolts, and certainly, the joint surfaces of the rear end cover 8 and other parts need to be protected so as to meet the requirements of water resistance and dust resistance.
As shown in fig. 1 and 3, the transmission 2 is installed at a shaft extension end of the driving motor 1, and a front end cover 9 of the driving motor 1 and a fastening cover 10 adapted to the front end cover 9 are fastened to form a housing of the transmission 2, and the front end cover 9 and the fastening cover 10 are connected by a connecting member (e.g., a bolt). The design not only realizes the integration of the speed changer 2 and the driving motor 1, but also enables the speed changer 2 and the driving motor 1 to share the same end cover, thereby omitting an end cover, improving the compactness of an electric drive system assembly and reducing the weight of the electric drive system assembly; meanwhile, the connection mode also ensures the concentricity of the transmission shaft of the speed changer 2 and the driving shaft of the driving motor 1 more easily, and can bring positive influence on the NVH (Noise Vibration Noise, Vibration and Harshness) performance of the electric driving system assembly.
As can be seen from fig. 3, the snap cover 10, the front cover 9, the stator housing 6 and the rear cover 8 form a main body housing, and the air compressor 4 and the water pump 5 can be installed at any position on the outer surface of the main body housing surface according to the actual installation requirements and considering the convenience of assembly and disassembly.
As shown in fig. 1, the air compressor 4 is hung on the snap cover 10 by a first bracket, and the water pump 5 is disposed near the electronic control housing 7 and mounted on the front cover 9 or the stator housing 6 by a second bracket.
In addition, as shown in fig. 1, further, an inner cavity of the electric control housing 7 is divided into a lower-layer cavity 12 close to the stator housing 6 and an upper-layer cavity 13 far away from the stator housing 6 by a transverse partition plate 11, the vehicle-mounted charger is arranged in the lower-layer cavity 12 and fixed on the transverse partition plate 11 by bolts, and the motor controller 3 is arranged in the upper-layer cavity 13 and also fixed on the transverse partition plate 11 by bolts.
Referring to fig. 1, a dc converter is further installed in the electric control housing 7, and the dc converter is also disposed in the lower cavity 12, in order to further improve the integration level of the electric drive system assembly, the vehicle-mounted charger and the dc converter are integrated into a power module 14, as shown in fig. 1 and 4, and the vehicle-mounted charger and the dc converter also share a power board (circuit board) to realize deep integration of the two, so that a connection harness between the vehicle-mounted charger and the dc converter is omitted.
As can be seen from fig. 1, a high-voltage junction box 15 and a vehicle control unit 16 are actually integrated in the electronic control housing 7, the high-voltage junction box 15 and the vehicle control unit 16 are both arranged in the upper cavity 13, the high-voltage junction box 15 is provided with a direct-current high-voltage input interface, which is also a high-voltage input interface of the electric drive system assembly, the interface is connected with an input end of the power battery, a copper bar in the high-voltage junction box 15 divides current into multiple paths, one path is connected with a fuse and then is transmitted to the power module 14, and the high-voltage current is converted into low voltage through a direct-current converter, so that 12V direct; one path is connected with a safety device and then is conveyed to the air compressor 4; a circuit connects motor controller 3 behind the insurance, includes drive plate and control panel in the motor controller 3, has power output module in the drive plate, and high-voltage direct current passes through power output module and turns into high-voltage alternating current to carry to the three-phase terminal 22 department that links to each other with motor stator through the three-phase copper bar.
As described in the foregoing embodiment, the motor controller 3 includes a driving board and a control board, a shielding board is disposed between the driving board and the control board, the shielding board can meet the requirement of electromagnetic compatibility, and on the other hand, an installation foundation can be provided for the vehicle controller 16, and the vehicle controller 16 is fixed on the shielding board through bolts.
Therefore, the integrated electric drive system assembly disclosed in the embodiment of the invention integrates nine components, namely the drive motor 1, the transmission 2, the motor controller 3, the air compressor 4, the water pump 5, the vehicle-mounted charger, the direct-current converter, the high-voltage junction box 15 and the vehicle controller 16, into an integrated structure, so that the whole structure is compact in layout, the traditional connecting wire harness and the junction box are omitted, and the weight of the whole electric drive system assembly is effectively reduced in a manner that the drive motor 1 and the transmission 2 share an end cover. In the actual production process, the electric drive system assembly can be directly assembled on the whole vehicle, the split assembly mode on the whole vehicle assembly production line in the past is replaced, the nine components can be fixed on the vehicle through one-time installation, the production efficiency is greatly improved, and the production cost is reduced.
In order to guarantee the insulating property between each copper bar in the three-phase copper bar, the three-phase copper bar in this embodiment adopts the plastic-coated (plastic-coated) technology production, except for the hookup location, the outside cladding of three-phase copper bar has the PVC membrane, and this has increased the reliability that the electrical apparatus is connected to the electromagnetic interference condition has been improved.
As shown in fig. 4, the electronic control housing 7 may actually be formed by combining an electronic control main housing 71, an electronic control housing upper end cover 72, and an electronic control housing lower end cover 73, the cooling system of the integrated electric drive assembly includes an electronic control housing cooling portion and a motor cooling portion, the electronic control housing cooling portion includes a housing water inlet, a housing water outlet, and a housing water channel, and the housing water channel at least passes through the motor controller 3, the vehicle-mounted charger, and the dc converter, so as to take away heat thereof and meet heat dissipation requirements; the motor cooling part comprises a motor water inlet 33, a motor water outlet 34 and a stator shell water channel, the shell water outlet is connected with the motor water inlet 33 through a pipeline 31, and the pipeline 31 can be fixed through a hoop body 32 for ensuring the connection stability.
Cooling water enters the electric control shell 7 from the shell water inlet, flows through the motor controller 3, the vehicle-mounted charger and the direct-current heat exchanger after entering the shell water channel, takes away heat of the motor controller, the vehicle-mounted charger and the direct-current heat exchanger, flows out of the shell water outlet, enters the motor water inlet 33 through the pipeline 31, circulates in the stator shell water channel to take away heat generated by the driving motor, and is finally discharged from the motor water outlet 34 to realize cooling of the whole integrated electric driving system assembly.
Furthermore, a motor controller cooling water channel which is in contact with a heating component (such as an insulated gate bipolar transistor) in the motor controller 3 is further formed in the shell of the motor controller 3, a charger cooling water channel which is in contact with the heating component in the vehicle-mounted charger is formed in the shell of the vehicle-mounted charger, a converter cooling water channel which is in contact with the heating component in the direct current converter is formed in the shell of the direct current converter, and the motor controller cooling water channel, the charger cooling water channel and the converter cooling water channel are all communicated with the shell water channel.
As shown in fig. 4, a power module water inlet 141 and a power module water outlet 142 are formed on a housing of the power module 14 formed by the vehicle-mounted charger and the dc converter, cooling water flows through the motor controller cooling water channel, enters the power module 14 from the power module water inlet 141 to cool the power module 14, flows out from the power module water outlet 142 to enter the housing water channel again, and flows out from the housing water outlet to the pipeline 31 to cool the motor.
It should be noted that each electrified component should be sealed, and each cooling water channel, water inlet and water outlet should also avoid the leakage of cooling water.
This cooling system who integrates electric drive system assembly is even as an organic whole with motor controller 3, driving motor 1, on-vehicle machine that charges with the cooling water course of direct current converter, has saved a plurality of cooling ducts that the tradition was arranged, has improved the compactness of integrating electric drive system assembly to a very big extent.
The matching positions of the buckling cover 10, the front end cover 9, the stator shell 6, the rear end cover 8 and the electric control shell 7 are properly protected so as to meet the requirements of dust prevention and water resistance.
In addition, the invention also discloses an electric automobile which adopts the integrated electric drive system assembly disclosed in any one of the embodiments. The electric automobile has the corresponding technical advantages of the integrated electric drive system assembly, and the description is omitted herein.
The integrated electric drive system assembly disclosed in the above embodiment is adopted, so that
The integrated electric drive system assembly and the electric automobile provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (17)
1. An integrated electric drive system assembly is characterized by at least comprising a drive motor (1), a speed changer (2), a motor controller (3), an air compressor (4) and a water pump (5) which are integrated into a whole, wherein,
an electric control shell (7) is connected to a stator shell (6) of the driving motor (1), the motor controller (3) is fixed in the electric control shell (7), a junction box (24) is formed between a rear end cover (8) of the driving motor (1) and a stator of the driving motor (1), the junction box (24) is communicated with the electric control shell (7), and a rotary variable signal plug connector (27), a temperature signal plug connector (26) and a three-phase terminal (22) led out by a motor stator of the driving motor (1) are arranged in the junction box (24); the three-phase high-voltage power supply output end of the motor controller (3) is connected with the three-phase terminal (22) through a three-phase copper bar, and the control end of the motor controller (3) is connected with the rotary transformer signal plug connector (27) and the temperature signal plug connector (26) in an inserting mode through signal lines;
the temperature signal connector is characterized by further comprising an insulation fixing plate (25) arranged in the junction box (24), and the rotary transformer signal connector (27) and the temperature signal connector (26) are fixed on the insulation fixing plate (25).
2. The integrated electric drive system assembly according to claim 1, wherein the electronic control housing (7) is mounted radially on top of the stator housing (6).
3. The integrated electric drive system assembly according to claim 1, further comprising an insulated wire holder (23) disposed in the terminal box (24), wherein the three-phase copper bar is connected to the three-phase terminal (22) and then fixed to the insulated wire holder (23).
4. The integrated electric drive system assembly according to claim 1, wherein the transmission (2) is mounted at an axial extension end of the drive motor (1), and a front end cover (9) of the drive motor (1) and a buckling cover (10) adapted to the front end cover (9) are buckled to form a shell of the transmission (2), and the front end cover (9) and the buckling cover (10) are connected through a connecting piece.
5. The integrated electric drive system assembly according to claim 4, wherein the snap cover (10), the front cover (9), the stator housing (6) and the rear cover (8) constitute a main body housing, and the air compressor (4) and the water pump (5) are mounted on an outer surface of the main body housing.
6. The integrated electric drive system assembly according to claim 4, wherein said air compressor (4) is suspended from said snap-fit cover (10) by a first bracket; the water pump (5) is arranged close to the electric control shell (7) and is arranged on the front end cover (9) or the stator shell (6) through a second support.
7. An integrated electric drive system assembly according to any of claims 1 to 6, wherein a vehicle-mounted charger is further mounted in said electric control housing (7).
8. The integrated electric drive system assembly according to claim 7, wherein a transverse partition plate (11) is disposed in the inner cavity of the electric control housing (7), the transverse partition plate (11) divides the inner cavity of the electric control housing (7) into a lower cavity (12) close to the stator housing (6) and an upper cavity (13) far away from the stator housing (6), wherein the vehicle-mounted charger is disposed in the lower cavity (12), and the motor controller is disposed in the upper cavity (13).
9. The integrated electric drive system assembly according to claim 8, wherein a dc converter is further mounted in the electronic control housing (7) and disposed in the lower cavity (12).
10. The integrated electric drive system assembly of claim 9, wherein the onboard charger and the dc converter are integrated into a power module (14) and share a power board.
11. An integrated electric drive system assembly according to any one of claims 8 to 10, wherein a high voltage distribution box (15) is further integrated in the electronic control housing (7), said high voltage distribution box (15) being arranged in the upper cavity (13).
12. The integrated electric drive system assembly according to claim 11, wherein a vehicle control unit (16) is further integrated into the electric control housing (7), the vehicle control unit (16) being disposed within the upper cavity (13).
13. The integrated electric drive system assembly according to claim 12, wherein the motor controller (3) comprises a driving board and a control board, a shielding board is arranged between the driving board and the control board, and the vehicle control unit is fixed on the shielding board.
14. The integrated electric drive system assembly of claim 1, wherein the three-phase copper bar is coated with a PVC film in addition to the connection locations.
15. The integrated electric drive system assembly of claim 12, wherein a cooling system of the integrated electric drive system assembly includes an electronically controlled housing cooling portion and a motor cooling portion; wherein the content of the first and second substances,
the electric control shell cooling part comprises a shell water inlet, a shell water outlet and a shell water channel, and the shell water channel at least passes through the motor controller (3), the vehicle-mounted charger and the direct current converter;
the motor cooling part comprises a motor water inlet (33), a motor water outlet (34) and a stator shell water channel, wherein the shell water outlet is connected with the motor water inlet (33) through a pipeline (31).
16. The integrated electric drive system assembly according to claim 15, wherein a casing of the motor controller (3) further defines a motor controller cooling water channel in contact with a heat generating component in the motor controller (3), a casing of the vehicle-mounted charger defines a charger cooling water channel in contact with a heat generating component in the vehicle-mounted charger, a casing of the dc converter defines a converter cooling water channel in contact with a heat generating component in the dc converter, and the motor controller cooling water channel, the charger cooling water channel, and the converter cooling water channel are all communicated with the casing water channel.
17. An electric vehicle comprising an integrated electric drive system assembly, wherein said integrated electric drive system assembly is an integrated electric drive system assembly as claimed in any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811297068.5A CN109353201B (en) | 2018-11-01 | 2018-11-01 | Integrated electric drive system assembly and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297068.5A CN109353201B (en) | 2018-11-01 | 2018-11-01 | Integrated electric drive system assembly and electric automobile |
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| CN109353201A CN109353201A (en) | 2019-02-19 |
| CN109353201B true CN109353201B (en) | 2021-03-23 |
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|---|---|---|---|---|
| CN110011458A (en) * | 2019-03-20 | 2019-07-12 | 爱驰汽车（上海）有限公司 | Integrated electric power drive assembly and electric car |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |